
@mixin angle-right($c, $w, $h) {
    position: relative;
    &:before {
        content: '';
        height: $w;
        width: $h;
        border: 1px solid $c;
        border-left-width: 0;
        border-top-width: 0;
        transform: rotate(-45deg) translate3d(0, -50%, 0);
        position: absolute;
        top: 50%;
        right: $pa;
    }
}
